Solution
Solution
+1
Degrees
Solution steps
Rewrite using trig identities
Rewrite as
Use the following trivial identity: Use the following trivial identity:
Use the Angle Sum identity:
Divide both sides by
Divide both sides by
Simplify
Simplify
Cancel the common factor:
Simplify
Apply radical rule: assuming
Apply the fraction rule:
Apply radical rule:
Apply trig inverse properties
General solutions for
Solve
Move to the right side
Add to both sides
Simplify
Solve
Move to the right side
Add to both sides
Simplify
Show solutions in decimal form